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hep-th2024★ 2 cited
Towards celestial chiral algebras of self-dual black holes
Giuseppe Bogna, Simon Heuveline
In this note, we show that several self-dual spacetimes previously studied in the context of celestial and twisted holography arise as limits of a certain Taub-NUT AdS metric,…
hep-th2024
Gluon scattering on the self-dual dyon
Tim Adamo, Giuseppe Bogna, Lionel Mason +1
The computation of scattering amplitudes in the presence of non-trivial background gauge fields is an important but extremely difficult problem in quantum field theory. In even the…
hep-th2024
On AdS deformations of celestial symmetries
Roland Bittleston, Giuseppe Bogna, Simon Heuveline +3
Celestial holography has led to the discovery of new symmetry algebras arising from the study of collinear limits of perturbative gravity amplitudes in flat space. We explain from…